Android Utililty Methods Email String Validate

List of utility methods to do Email String Validate

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Description

The list of methods to do Email String Validate are organized into topic(s).

Method

booleanisEmail(String s)
is Email 
if (s == null) {
    return true;
return Pattern.matches(EMAIL_REG_EXPRESSION, s);
booleanisValidEmail(String email)
public static boolean isValidEmail(String email)

this method can be used for email format validation if matched then return true else return false 
Pattern pattern = Pattern.compile(".+@.+\\.[a-z]+");
Matcher matcher = pattern.matcher(email);
return matcher.matches();
booleanisValidEmail(CharSequence target)
is Valid Email 
if (target == null) {
    return false;
} else {
    return android.util.Patterns.EMAIL_ADDRESS.matcher(target)
            .matches();
booleanemailValidator(final String mailAddress)
This method used to email validator. 
Pattern pattern;
Matcher matcher;
final String EMAIL_PATTERN = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@"
        + "[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
pattern = Pattern.compile(EMAIL_PATTERN);
matcher = pattern.matcher(mailAddress);
return matcher.matches();
booleanvalidateEmail(String aEmailAddress)
Validate email according rules of eXo cloud 
if (aEmailAddress == null)
    return false;
boolean result = true;
if (!hasNameAndDomain(aEmailAddress)) {
    result = false;
return result;
booleanvalidateEmail(final String email)
Validate hex with regular expression 
if (_emailPattern == null)
    _emailPattern = Pattern.compile(_EMAIL_PATTERN);
Matcher matcher = _emailPattern.matcher(email);
return matcher.matches();